Home / 866,052.52-1,299,341.22-392,610.76

Finding the Fourth Proportional to 866,052.52, 1,299,341.22 and 392,610.76

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Solution

The fourth proportional to 866,052.52, 1,299,341.22 and 392,610.76 is: 589,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,052.52 : 1,299,341.22 = 392,610.76 : x
  2. Step 2: Convert to fraction form
    866,052.52/1,299,341.22 = 392,610.76/x
  3. Step 3: Cross multiply
    866,052.52x = 1,299,341.22 × 392,610.76
  4. Step 4: Simplify right side
    866,052.52x = 510,135,343,883.53
  5. Step 5: Solve for x
    x = 510,135,343,883.53/866,052.52
  6. Step 6: Final answer
    x = 589,035.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.